| Patents for H02P 27 - Arrangements or methods for the control of ac-motors characterised by the kind of supply voltage (13,284) |
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| 05/07/1996 | US5514942 Circuit arrangement for powering control circuitry and driving an inductive load from a single DC source |
| 04/24/1996 | EP0708521A1 Method and apparatus for the control of an electromotor |
| 04/24/1996 | CN1121276A Motor operation controller and insulation type bidirectional DC voltage converter |
| 04/24/1996 | CN1121274A Apparatus for regulating an elevator motor |
| 04/24/1996 | CN1121164A Air conditioning device |
| 04/11/1996 | DE19537302A1 Microcomputer for controlling drive of induction motor |
| 04/11/1996 | DE19524005A1 Motorbetriebsregler und bidirektionaler Isolations-Gleichspannungsumformer Engine operating controls and bidirectional isolation Gleichspannungsumformer |
| 04/10/1996 | EP0706218A2 Method to eliminate errors in a rectifying circuit device |
| 04/10/1996 | EP0705496A1 Multiphase induction motor |
| 04/10/1996 | CN1120263A Device to regulate the speed of an electric motor and its method of operation |
| 04/09/1996 | US5506486 Control apparatus for compressor with induction motor |
| 04/09/1996 | US5506484 Digital pulse width modulator with integrated test and control |
| 03/27/1996 | EP0703185A2 Electrical hoist with speed regulation device |
| 03/20/1996 | CN1118951A Inverter apparatus |
| 03/20/1996 | CN1118878A Device for detecting fault of dc-to-ac converter system |
| 03/20/1996 | CN1118862A Control apparatus for controlling motor of air conditioner |
| 03/19/1996 | US5500581 High-efficiency power supply control apparatus for variable-speed induction motor |
| 03/14/1996 | DE19532477A1 Verfahren zum Anlassen einer Asynchronmaschine Method for starting an asynchronous |
| 03/13/1996 | EP0437617B1 Method of and device for controlling induction motor for compressor |
| 03/12/1996 | US5498946 Device for controlling the variation of the power and/or the speed of a load |
| 03/07/1996 | WO1996001001A3 Electric motor |
| 03/06/1996 | EP0699553A1 Control apparatus for electric vehicles |
| 03/05/1996 | US5497065 Inverter operation command process |
| 02/28/1996 | EP0698519A1 An electric vehicle control device in both an alternating current section and a direct current section |
| 02/22/1996 | WO1996005651A1 Digital power optimization system for ac induction motors |
| 02/21/1996 | EP0697764A1 Voltage, phase and frequency control by miniature inverter system |
| 02/21/1996 | EP0697569A1 Control apparatus for controlling motor of air conditioner |
| 02/20/1996 | US5493201 Starter/generator system and method utilizing a low voltage source |
| 02/14/1996 | EP0696842A1 Inverter for pumps and a pump unit therewith |
| 02/07/1996 | EP0696103A1 High-speed constant-horsepower motor |
| 02/06/1996 | US5490056 Inverter apparatus having two control modes and apparatus using the same |
| 02/06/1996 | US5489833 Three-phase electronic inverter for variable speed motor |
| 02/01/1996 | DE4426764A1 Control of PWM inverter by commands to final control element of pulse pattern generator for three=phase motor |
| 01/31/1996 | EP0695024A2 Air conditioning device |
| 01/31/1996 | CN1115919A Low-noise operation of a machine fed by a pulse in verter |
| 01/30/1996 | US5488281 Method and apparatus for predicting winding failure using zero crossing times |
| 01/30/1996 | US5488280 Adaptive control of a multiphase induction motor having concentrated phase windings |
| 01/25/1996 | WO1996002085A1 Direct a.c. converter |
| 01/24/1996 | CN1115518A Inverter control method and apparatus |
| 01/23/1996 | US5486748 Method and apparatus for improved efficiency in a pulse-width-modulated alternating current motor drive |
| 01/18/1996 | WO1996001523A1 Load-commutated synchronous motor drive |
| 01/18/1996 | DE4423816A1 AC motor drive supply circuit |
| 01/16/1996 | US5485072 Process for operating permanently excited single-phase alternating current machines |
| 01/11/1996 | WO1996001001A2 Electric motor |
| 01/10/1996 | EP0691730A2 Inverter control apparatus |
| 01/09/1996 | US5483140 Thyristor based DC link current source power conversion system for motor driven operation |
| 01/09/1996 | CA2037952C Cycloconverter and the method of controlling the same |
| 01/04/1996 | DE4422623A1 Elektrische Maschine Electric machine |
| 01/03/1996 | EP0690557A1 Fuzzy logic control process and device for induction motors |
| 01/02/1996 | US5481172 Circuit for controlling power converting apparatus |
| 12/28/1995 | WO1995035594A1 Method of stepwise voltage control for supplying an induction motor |
| 12/28/1995 | CA2193730A1 Method of stepwise voltage control for supplying an induction motor |
| 12/21/1995 | WO1995034941A1 Digital pulse width modulator with integrated test and control |
| 12/21/1995 | WO1995034940A1 Improved emi filter topology for power inverters |
| 12/21/1995 | CA2192465A1 Improved emi filter topology for power inverters |
| 12/21/1995 | CA2192463A1 Digital pulse width modulator with integrated test and control |
| 12/20/1995 | EP0688094A1 Device and method for controlling motor |
| 12/19/1995 | US5477162 Method for determining the short-circuit inductance of an asynchronous machine |
| 12/19/1995 | US5477121 Procedure and apparatus for compensating the slip of an induction machine |
| 12/19/1995 | US5476158 Rotor time constant adaptation for induction motor in vector controlled elevator drive |
| 12/19/1995 | CA2075351C Energy-saving control apparatus and control method for induction motor |
| 12/12/1995 | US5475292 Apparatus for restarting inverter for driving synchronous motor after momentary interruption |
| 12/12/1995 | CA2008686C Method for increasing the speed of an alternating current motor |
| 12/06/1995 | EP0685926A2 Method and device for controlling speed of a washing machine motor |
| 12/06/1995 | EP0685923A1 Low noise operation of a pulsed inverter fed motor |
| 12/05/1995 | US5473241 Method and apparatus for RMS measurements in induction motor without sampling |
| 12/04/1995 | CA2149112A1 Low-noise operation of a machine fed by a pulse inverter |
| 11/29/1995 | EP0684689A2 Method and device for controlling speed of a washing machine motor |
| 11/29/1995 | EP0684334A2 Method and device for controlling speed of a washing machine motor |
| 11/29/1995 | EP0497783B1 Variable speed ac drive control |
| 11/28/1995 | US5471126 Slip frequency control method for induction motors |
| 11/23/1995 | WO1995031857A1 Method for controlling the power to be transferred via a mains inverter |
| 11/23/1995 | CA2189251A1 Method for controlling the power to be transferred via a mains inverter |
| 11/21/1995 | US5469041 Pulse-controlled converter and electric motor controller |
| 11/15/1995 | EP0682405A2 Apparatus for regulating an elevator motor |
| 11/14/1995 | US5467262 Electric power converting apparatus |
| 11/14/1995 | US5467001 Control method for an alternating current motor |
| 11/08/1995 | EP0383949B1 Current limiting system for a voltage-type inverter |
| 11/08/1995 | CN1111189A Hydraulic transmiting system in projecting molding machine |
| 11/07/1995 | US5465202 Inverter apparatus provided with electric discharge control circuit of dc smoothing capacitor and method of controlling the same |
| 11/02/1995 | WO1995029531A1 Multiphase induction motor |
| 11/02/1995 | DE4413802A1 Speed control for induction motor for fan motor, centrifugal pump motor |
| 11/02/1995 | CA2164948A1 Multiphase induction motor |
| 10/31/1995 | US5463302 Slip compensation method in a squirrel cage induction motor |
| 10/31/1995 | US5463301 Vector controlling method and apparatus for induction motor |
| 10/25/1995 | EP0500948B1 System for driving induction motor |
| 10/24/1995 | US5461531 Controller apparatus for electric vehicle |
| 10/24/1995 | US5460244 Elevator control apparatus using parallel converters and inverters with means to control circulating current |
| 10/18/1995 | EP0677919A2 Method for the control of an asynchronous machine supplied from a converter in the operation of weakening of field |
| 10/17/1995 | US5459387 Control device for electric motors |
| 10/17/1995 | US5459386 Motor drive control apparatus having a plurality of motor characteristics |
| 09/27/1995 | CN1029828C Controlling apparatus for elevator |
| 09/20/1995 | EP0673110A1 Variable speed control apparatus for induction motor |
| 09/13/1995 | CN1108444A Induction motor control apparatus providing high efficiency with rapid response to changes in load torque |
| 09/13/1995 | CN1108324A Method and device for controlling speed of a washing machine motor |
| 09/12/1995 | US5449991 Motor control system and apparatus for providing desired three-phase voltage therein using a main transformer energized through an autotransformer |
| 09/08/1995 | WO1995024073A1 Method and arrangement for controlling an induction motor |
| 09/08/1995 | CA2161554A1 Method and arrangement for controlling an induction motor |
| 09/06/1995 | EP0670628A1 Device for supplying power to an alternating current motor |
| 09/05/1995 | US5448150 Vector control unit for an induction motor |